1HEADmaster

1 files changed, 111 insertions, 0 deletions

diff --git a/game/client/smoke_fog_overlay.cpp b/game/client/smoke_fog_overlay.cpp
new file mode 100644
index 0000000..53ac087
--- /dev/null
+++ b/game/client/smoke_fog_overlay.cpp
@@ -0,0 +1,111 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "smoke_fog_overlay.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imesh.h"
+#include "view.h"
+#include "clienteffectprecachesystem.h"
+#include "tier0/vprof.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+static IMaterial *g_pSmokeFogMaterial = NULL;
+
+
+float		g_SmokeFogOverlayAlpha;
+Vector		g_SmokeFogOverlayColor;
+
+CLIENTEFFECT_REGISTER_BEGIN( PrecacheSmokeFogOverlay )
+CLIENTEFFECT_MATERIAL( "particle/screenspace_fog" )
+CLIENTEFFECT_REGISTER_END()
+
+void InitSmokeFogOverlay()
+{
+	TermSmokeFogOverlay();
+	
+	g_SmokeFogOverlayAlpha = 0;
+
+	if(materials)
+	{
+		g_pSmokeFogMaterial = materials->FindMaterial( "particle/screenspace_fog", TEXTURE_GROUP_CLIENT_EFFECTS );
+		if(g_pSmokeFogMaterial)
+			g_pSmokeFogMaterial->IncrementReferenceCount();
+	}
+}
+
+
+void TermSmokeFogOverlay()
+{
+	if(g_pSmokeFogMaterial)
+	{
+		g_pSmokeFogMaterial->DecrementReferenceCount();
+		g_pSmokeFogMaterial = NULL;
+	}
+}
+
+
+void DrawSmokeFogOverlay()
+{
+	if(g_SmokeFogOverlayAlpha == 0 || !g_pSmokeFogMaterial || !materials)
+		return;
+
+	tmZone( TELEMETRY_LEVEL0, TMZF_NONE, "%s", __FUNCTION__ );
+
+	// Hard-coded for now..
+	g_SmokeFogOverlayColor.Init( 0.3, 0.3, 0.3 );
+	
+	CMatRenderContextPtr pRenderContext( materials );
+
+	pRenderContext->MatrixMode( MATERIAL_PROJECTION );
+	pRenderContext->LoadIdentity();
+	pRenderContext->Ortho( 0, 0, 1, 1, -99999, 99999 );
+
+	pRenderContext->MatrixMode( MATERIAL_VIEW );
+	pRenderContext->LoadIdentity();
+
+	pRenderContext->MatrixMode( MATERIAL_MODEL );
+	pRenderContext->LoadIdentity();
+
+	IMesh* pMesh = pRenderContext->GetDynamicMesh( false, NULL, NULL, g_pSmokeFogMaterial );
+	CMeshBuilder meshBuilder;
+
+	static float dist = 10;
+
+	Vector vColor = g_SmokeFogOverlayColor;
+	vColor.x = MIN(MAX(vColor.x, 0), 1);
+	vColor.y = MIN(MAX(vColor.y, 0), 1);
+	vColor.z = MIN(MAX(vColor.z, 0), 1);
+	float alpha = MIN(MAX(g_SmokeFogOverlayAlpha, 0), 1);
+
+	meshBuilder.Begin( pMesh, MATERIAL_QUADS, 1 );
+
+	meshBuilder.Position3f( 0, 0, dist );
+	meshBuilder.Color4f( vColor.x, vColor.y, vColor.z, alpha );
+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 0, 1, dist );
+	meshBuilder.Color4f( vColor.x, vColor.y, vColor.z, alpha );
+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 1, 1, dist );
+	meshBuilder.Color4f( vColor.x, vColor.y, vColor.z, alpha );
+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.Position3f( 1, 0, dist );
+	meshBuilder.Color4f( vColor.x, vColor.y, vColor.z, alpha );
+	meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );
+	meshBuilder.AdvanceVertex();
+
+	meshBuilder.End();
+	pMesh->Draw();
+}